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INVESTMENT SECURITIES (Tables)

9 Months Ended

Sep. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost and related market value of investment securities available-for-sale

Investment Portfolio Composition. The amortized cost and related market value of investment securities available-for-sale and
held-to-maturity were as follows:
	September 30, 2017													December 31, 2016
	Amortized			Unrealized			Unrealized			Market			Amortized			Unrealized			Unrealized			Market
	Cost			Gains			Losses			Value			Cost			Gain			Losses			Value
Available for Sale
U.S. Government Treasury	$	257,635		$	32		$	869		$	256,798		$	286,867		$	262		$	851		$	286,278
U.S. Government Agency		147,550			729			290			147,989			131,489			495			344			131,640
States and Political Subdivisions		95,869			175			54			95,990			95,197			23			381			94,839
Mortgage-Backed Securities		1,218			114			-			1,332			1,312			118			-			1,430
Equity Securities(1)		8,737			-			-			8,737			8,547			-			-			8,547
Total	$	511,009		$	1,050		$	1,213		$	510,846		$	523,412		$	898		$	1,576		$	522,734
Held to Maturity
U.S. Government Treasury	$	93,309		$	2		$	183		$	93,128		$	119,131		$	107		$	81		$	119,157
States and Political Subdivisions		7,051			31			2			7,080			8,175			1			38			8,138
Mortgage-Backed Securities		83,902			55			642			83,315			50,059			29			637			49,451
Total	$	184,262		$	88		$	827		$	183,523		$	177,365		$	137		$	756		$	176,746
Total Investment Securities	$	695,271		$	1,138		$	2,040		$	694,369		$	700,777		$	1,035		$	2,332		$	699,480

Schedule of investment securities with maturity distribution based on contractual maturities

	Available for Sale						Held to Maturity
(Dollars in Thousands)	Amortized Cost			Market Value			Amortized Cost			Market Value
Due in one year or less	$	138,454		$	138,421		$	63,439		$	63,370
Due after one through five years		253,590			252,720			36,922			36,838
Mortgage-Backed Securities		1,217			1,332			83,901			83,315
U.S. Government Agency		109,011			109,636			-			-
Equity Securities		8,737			8,737			-			-
Total	$	511,009		$	510,846		$	184,262		$	183,523

Schedule of investment securities with continuous unrealized loss position

	Less Than						Greater Than
	12 Months						12 Months						Total
	Market			Unrealized			Market			Unrealized			Market			Unrealized
(Dollars in Thousands)	Value			Losses			Value			Losses			Value			Losses
September 30, 2017
Available for Sale
U.S. Government Treasury	$	191,720		$	759		$	9,981		$	110		$	201,701		$	869
U.S. Government Agency		34,775			126			17,853			164			52,628			290
States and Political Subdivisions		23,031			22			5,129			32			28,160			54
Total		249,526			907			32,963			306			282,489			1,213
Held to Maturity
U.S. Government Treasury		83,173			183			-			-			83,173			183
States and Political Subdivisions		504			2			-			-			504			2
Mortgage-Backed Securities		47,159			579			4,373			63			51,532			642
Total	$	130,836		$	764		$	4,373		$	63		$	135,209		$	827
December 31, 2016
Available for Sale
U.S. Government Treasury	$	116,704		$	851		$	-		$	-		$	116,704		$	851
U.S. Government Agency		48,520			310			6,699			34			55,219			344
States and Political Subdivisions		81,521			380			294			1			81,815			381
Mortgage-Backed Securities		3			-			-			-			3			-
Total		246,748			1,541			6,993			35			253,741			1,576
Held to Maturity
U.S. Government Treasury		35,210			81			-			-			35,210			81
States and Political Subdivisions		7,491			38			-			-			7,491			38
Mortgage-Backed Securities		36,710			599			4,010			38			40,720			637
Total	$	79,411		$	718		$	4,010		$	38		$	83,421		$	756

X

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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- Definition

For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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